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Connect for Communication
Requirements for discrete
This information prepares you to connect the plasma power supply to the Computer Numerical Control (CNC) with discrete cables.
Connect to the plasma power supply with discrete
Do these steps to connect the plasma power supply to the Computer Numerical Control (CNC) with discrete cables.
Alternate 24 VDC input
An externally supplied, alternate source of 24 VDC (500 mA) input to the main control Printed Circuit Board (PCB) lets communications for the main control PCB and fieldbus continue if three-phase power is removed from the cutting system.

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Connect for Communication
- Communication methods for XPR® cutting systems
  There are multiple communication methods to fully operate the plasma cutting system.
- Requirements for EtherCAT®
  This information prepares you to connect the plasma power supply to the Computer Numerical Control (CNC) with EtherCAT® cables.
- Requirements for serial RS-422
  This information prepares you to connect the plasma power supply to the Computer Numerical Control (CNC) with serial RS-422 cables.
- Requirements for discrete
  This information prepares you to connect the plasma power supply to the Computer Numerical Control (CNC) with discrete cables.
  - Pinouts for the discrete interface cables
    Use these tables to identify the signals, pin numbers, and wire colors in interface cables with discrete connectors.
  - Pinouts for the discrete cable for the expansion PCB
    Use this table to identify the signals, pin numbers, and wire colors in the interface cable with discrete connectors for the expansion Printed Circuit Board (PCB).
  - Connect to the plasma power supply with discrete
    Do these steps to connect the plasma power supply to the Computer Numerical Control (CNC) with discrete cables.
    - Alternate 24 VDC input
      An externally supplied, alternate source of 24 VDC (500 mA) input to the main control Printed Circuit Board (PCB) lets communications for the main control PCB and fieldbus continue if three-phase power is removed from the cutting system.
    - Use the XPR web interface to change the arc-voltage output scale
      Use these steps to change the voltage ratio and offset through the XPR® web interface.
- VDC3 PCB installation for AVC with RS-422 and discrete-only connections (if applicable)
  The VDC3 Printed Circuit Board (PCB) installation instructions are for Arc Voltage Control (AVC) with serial RS-422 and discrete-only connections.
- Requirements for the XPR web interface
  You can connect to the XPR® web interface through Wi-Fi® with Access Point (AP) mode or through a direct connection with Ethernet Local Area Network (LAN).
- Requirements for Ethernet LAN (wired)
  Before you use an Ethernet Local Area Network (LAN) interface to connect to the XPR® cutting system, review this information. This information prepares you to use an Ethernet LAN interface.
- Requirements for manual-set mode
  This information prepares you to use EtherCAT®, serial RS-422, Ethernet Local Area Network (LAN), or the XPR® web interface through Wi-Fi® or Ethernet LAN to enable or disable manual-set mode
- Change the device that has control
  Use these steps to make sure that the correct device has control of the plasma power supply.
- Use ohmic contact sense
  You can use internal or external ohmic contact sense. No action is necessary for internal ohmic contact sense. To use external ohmic contact sense, make the following modification to the ohmic wiring inside of the TorchConnect™ console.
- Install a remote on-off switch
  As an alternative to using the main power source, do these steps to install your own remote on-off switch so that you can control power to the gas connect console, TorchConnect™ console, and other parts.
- Install a redundant remote on-off switch
  Do these steps if you want to use the redundant remote on-off switch.
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Alternate 24 VDC input

An externally supplied, alternate source of 24 VDC (500 mA) input to the main control Printed Circuit Board (PCB) lets communications for the main control PCB and fieldbus continue if three-phase power is removed from the cutting system.

If alternate 24 VDC (500 mA) input is supplied to the main control PCB, it is not necessary to start the fieldbus again each time three-phase power is removed.